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Finding the Fourth Proportional to 542,416.66, 813,787.59 and 163,349.72

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Solution

The fourth proportional to 542,416.66, 813,787.59 and 163,349.72 is: 245,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,416.66 : 813,787.59 = 163,349.72 : x
  2. Step 2: Convert to fraction form
    542,416.66/813,787.59 = 163,349.72/x
  3. Step 3: Cross multiply
    542,416.66x = 813,787.59 × 163,349.72
  4. Step 4: Simplify right side
    542,416.66x = 132,931,974,965.98
  5. Step 5: Solve for x
    x = 132,931,974,965.98/542,416.66
  6. Step 6: Final answer
    x = 245,073.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.